G - Physics – 03 – B
Patent
G - Physics
03
B
G03B 42/04 (2006.01)
Patent
CA 2136707
A screen film cassette for radiographic use. The cassette includes front and rear screen-film combinations housed in container, and each screen-film combination includes a pair of intensifying screens which sandwich a film. A dividing filter is located between the two screen-film combinations to improve X-ray beam intensity incident on the back screen-film combination. The filter also reduces the transfer of visible light energy or K-characteristic photon energy, generated in one screen- film combination during the imaging process, to the adjacent screen-film combination. The invention provides for improved radiographic film contrast and image resolution.
Robic
University Of Sydney (the)
LandOfFree
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